3:20 p.m. Cox is beginning to restore outbound calls for business customers who have been without service, spokeswoman Christine Martin reports.

“We cannot confirm at this time that all impacted customers have been restored. We are continuing to work hard to resolve the outage for all business customers. We will continue to provide regular updates to our customers as we work to restore service,” Martin said in an email.

11:50 a.m. Telephone outages are only being experienced by a portion of the Cox Communications business customers, spokeswoman Christine Martin reports. Martin said in an email that residential service has not been affected.

9:45 a.m. Some Oklahoma customers of Cox Communications are without telephone service Tuesday morning.